You've got a long time to decide. Read some baby name books, watch TV programme credits. Write them down and go back to them time and time again to see which you prefer.
They're all ok but
I prefer Eleanor Darcey/Darcy - pretty Isobel - beautiful/classic but the MN lot will tell you far too popular Caroline - a bit meh but not common these days where as when I was at school there were 4/5 in each class Charlotte - lovely with Lottie nn